# 1 "8-3.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "8-3.c"
# 1 "/usr/include/stdio.h" 1 3 4
# 27 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/features.h" 1 3 4
# 367 "/usr/include/features.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 1 3 4
# 410 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 411 "/usr/include/x86_64-linux-gnu/sys/cdefs.h" 2 3 4
# 368 "/usr/include/features.h" 2 3 4
# 391 "/usr/include/features.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 1 3 4
# 10 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/gnu/stubs-64.h" 1 3 4
# 11 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 2 3 4
# 392 "/usr/include/features.h" 2 3 4
# 28 "/usr/include/stdio.h" 2 3 4





# 1 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h" 1 3 4
# 216 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h" 3 4

# 216 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h" 3 4
typedef long unsigned int size_t;
# 34 "/usr/include/stdio.h" 2 3 4

# 1 "/usr/include/x86_64-linux-gnu/bits/types.h" 1 3 4
# 27 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 28 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4


typedef unsigned char __u_char;
typedef unsigned short int __u_short;
typedef unsigned int __u_int;
typedef unsigned long int __u_long;


typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef signed short int __int16_t;
typedef unsigned short int __uint16_t;
typedef signed int __int32_t;
typedef unsigned int __uint32_t;

typedef signed long int __int64_t;
typedef unsigned long int __uint64_t;







typedef long int __quad_t;
typedef unsigned long int __u_quad_t;
# 121 "/usr/include/x86_64-linux-gnu/bits/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/typesizes.h" 1 3 4
# 122 "/usr/include/x86_64-linux-gnu/bits/types.h" 2 3 4


typedef unsigned long int __dev_t;
typedef unsigned int __uid_t;
typedef unsigned int __gid_t;
typedef unsigned long int __ino_t;
typedef unsigned long int __ino64_t;
typedef unsigned int __mode_t;
typedef unsigned long int __nlink_t;
typedef long int __off_t;
typedef long int __off64_t;
typedef int __pid_t;
typedef struct { int __val[2]; } __fsid_t;
typedef long int __clock_t;
typedef unsigned long int __rlim_t;
typedef unsigned long int __rlim64_t;
typedef unsigned int __id_t;
typedef long int __time_t;
typedef unsigned int __useconds_t;
typedef long int __suseconds_t;

typedef int __daddr_t;
typedef int __key_t;


typedef int __clockid_t;


typedef void * __timer_t;


typedef long int __blksize_t;




typedef long int __blkcnt_t;
typedef long int __blkcnt64_t;


typedef unsigned long int __fsblkcnt_t;
typedef unsigned long int __fsblkcnt64_t;


typedef unsigned long int __fsfilcnt_t;
typedef unsigned long int __fsfilcnt64_t;


typedef long int __fsword_t;

typedef long int __ssize_t;


typedef long int __syscall_slong_t;

typedef unsigned long int __syscall_ulong_t;



typedef __off64_t __loff_t;
typedef __quad_t *__qaddr_t;
typedef char *__caddr_t;


typedef long int __intptr_t;


typedef unsigned int __socklen_t;
# 36 "/usr/include/stdio.h" 2 3 4
# 44 "/usr/include/stdio.h" 3 4
struct _IO_FILE;



typedef struct _IO_FILE FILE;





# 64 "/usr/include/stdio.h" 3 4
typedef struct _IO_FILE __FILE;
# 74 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/libio.h" 1 3 4
# 31 "/usr/include/libio.h" 3 4
# 1 "/usr/include/_G_config.h" 1 3 4
# 15 "/usr/include/_G_config.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h" 1 3 4
# 16 "/usr/include/_G_config.h" 2 3 4




# 1 "/usr/include/wchar.h" 1 3 4
# 82 "/usr/include/wchar.h" 3 4
typedef struct
{
  int __count;
  union
  {

    unsigned int __wch;



    char __wchb[4];
  } __value;
} __mbstate_t;
# 21 "/usr/include/_G_config.h" 2 3 4
typedef struct
{
  __off_t __pos;
  __mbstate_t __state;
} _G_fpos_t;
typedef struct
{
  __off64_t __pos;
  __mbstate_t __state;
} _G_fpos64_t;
# 32 "/usr/include/libio.h" 2 3 4
# 49 "/usr/include/libio.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stdarg.h" 1 3 4
# 40 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stdarg.h" 3 4
typedef __builtin_va_list __gnuc_va_list;
# 50 "/usr/include/libio.h" 2 3 4
# 144 "/usr/include/libio.h" 3 4
struct _IO_jump_t; struct _IO_FILE;





typedef void _IO_lock_t;





struct _IO_marker {
  struct _IO_marker *_next;
  struct _IO_FILE *_sbuf;



  int _pos;
# 173 "/usr/include/libio.h" 3 4
};


enum __codecvt_result
{
  __codecvt_ok,
  __codecvt_partial,
  __codecvt_error,
  __codecvt_noconv
};
# 241 "/usr/include/libio.h" 3 4
struct _IO_FILE {
  int _flags;




  char* _IO_read_ptr;
  char* _IO_read_end;
  char* _IO_read_base;
  char* _IO_write_base;
  char* _IO_write_ptr;
  char* _IO_write_end;
  char* _IO_buf_base;
  char* _IO_buf_end;

  char *_IO_save_base;
  char *_IO_backup_base;
  char *_IO_save_end;

  struct _IO_marker *_markers;

  struct _IO_FILE *_chain;

  int _fileno;



  int _flags2;

  __off_t _old_offset;



  unsigned short _cur_column;
  signed char _vtable_offset;
  char _shortbuf[1];



  _IO_lock_t *_lock;
# 289 "/usr/include/libio.h" 3 4
  __off64_t _offset;







  void *__pad1;
  void *__pad2;
  void *__pad3;
  void *__pad4;

  size_t __pad5;
  int _mode;

  char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];

};


typedef struct _IO_FILE _IO_FILE;


struct _IO_FILE_plus;

extern struct _IO_FILE_plus _IO_2_1_stdin_;
extern struct _IO_FILE_plus _IO_2_1_stdout_;
extern struct _IO_FILE_plus _IO_2_1_stderr_;
# 333 "/usr/include/libio.h" 3 4
typedef __ssize_t __io_read_fn (void *__cookie, char *__buf, size_t __nbytes);







typedef __ssize_t __io_write_fn (void *__cookie, const char *__buf,
     size_t __n);







typedef int __io_seek_fn (void *__cookie, __off64_t *__pos, int __w);


typedef int __io_close_fn (void *__cookie);
# 385 "/usr/include/libio.h" 3 4
extern int __underflow (_IO_FILE *);
extern int __uflow (_IO_FILE *);
extern int __overflow (_IO_FILE *, int);
# 429 "/usr/include/libio.h" 3 4
extern int _IO_getc (_IO_FILE *__fp);
extern int _IO_putc (int __c, _IO_FILE *__fp);
extern int _IO_feof (_IO_FILE *__fp) __attribute__ ((__nothrow__ , __leaf__));
extern int _IO_ferror (_IO_FILE *__fp) __attribute__ ((__nothrow__ , __leaf__));

extern int _IO_peekc_locked (_IO_FILE *__fp);





extern void _IO_flockfile (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));
extern void _IO_funlockfile (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));
extern int _IO_ftrylockfile (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));
# 459 "/usr/include/libio.h" 3 4
extern int _IO_vfscanf (_IO_FILE * __restrict, const char * __restrict,
   __gnuc_va_list, int *__restrict);
extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict,
    __gnuc_va_list);
extern __ssize_t _IO_padn (_IO_FILE *, int, __ssize_t);
extern size_t _IO_sgetn (_IO_FILE *, void *, size_t);

extern __off64_t _IO_seekoff (_IO_FILE *, __off64_t, int, int);
extern __off64_t _IO_seekpos (_IO_FILE *, __off64_t, int);

extern void _IO_free_backup_area (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));
# 75 "/usr/include/stdio.h" 2 3 4




typedef __gnuc_va_list va_list;
# 90 "/usr/include/stdio.h" 3 4
typedef __off_t off_t;
# 102 "/usr/include/stdio.h" 3 4
typedef __ssize_t ssize_t;







typedef _G_fpos_t fpos_t;




# 164 "/usr/include/stdio.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/stdio_lim.h" 1 3 4
# 165 "/usr/include/stdio.h" 2 3 4



extern struct _IO_FILE *stdin;
extern struct _IO_FILE *stdout;
extern struct _IO_FILE *stderr;







extern int remove (const char *__filename) __attribute__ ((__nothrow__ , __leaf__));

extern int rename (const char *__old, const char *__new) __attribute__ ((__nothrow__ , __leaf__));




extern int renameat (int __oldfd, const char *__old, int __newfd,
       const char *__new) __attribute__ ((__nothrow__ , __leaf__));








extern FILE *tmpfile (void) ;
# 209 "/usr/include/stdio.h" 3 4
extern char *tmpnam (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;





extern char *tmpnam_r (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;
# 227 "/usr/include/stdio.h" 3 4
extern char *tempnam (const char *__dir, const char *__pfx)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) ;








extern int fclose (FILE *__stream);




extern int fflush (FILE *__stream);

# 252 "/usr/include/stdio.h" 3 4
extern int fflush_unlocked (FILE *__stream);
# 266 "/usr/include/stdio.h" 3 4






extern FILE *fopen (const char *__restrict __filename,
      const char *__restrict __modes) ;




extern FILE *freopen (const char *__restrict __filename,
        const char *__restrict __modes,
        FILE *__restrict __stream) ;
# 295 "/usr/include/stdio.h" 3 4

# 306 "/usr/include/stdio.h" 3 4
extern FILE *fdopen (int __fd, const char *__modes) __attribute__ ((__nothrow__ , __leaf__)) ;
# 319 "/usr/include/stdio.h" 3 4
extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
  __attribute__ ((__nothrow__ , __leaf__)) ;




extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __attribute__ ((__nothrow__ , __leaf__)) ;






extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __attribute__ ((__nothrow__ , __leaf__));



extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
      int __modes, size_t __n) __attribute__ ((__nothrow__ , __leaf__));





extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
         size_t __size) __attribute__ ((__nothrow__ , __leaf__));


extern void setlinebuf (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));








extern int fprintf (FILE *__restrict __stream,
      const char *__restrict __format, ...);




extern int printf (const char *__restrict __format, ...);

extern int sprintf (char *__restrict __s,
      const char *__restrict __format, ...) __attribute__ ((__nothrow__));





extern int vfprintf (FILE *__restrict __s, const char *__restrict __format,
       __gnuc_va_list __arg);




extern int vprintf (const char *__restrict __format, __gnuc_va_list __arg);

extern int vsprintf (char *__restrict __s, const char *__restrict __format,
       __gnuc_va_list __arg) __attribute__ ((__nothrow__));





extern int snprintf (char *__restrict __s, size_t __maxlen,
       const char *__restrict __format, ...)
     __attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 4)));

extern int vsnprintf (char *__restrict __s, size_t __maxlen,
        const char *__restrict __format, __gnuc_va_list __arg)
     __attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 0)));

# 412 "/usr/include/stdio.h" 3 4
extern int vdprintf (int __fd, const char *__restrict __fmt,
       __gnuc_va_list __arg)
     __attribute__ ((__format__ (__printf__, 2, 0)));
extern int dprintf (int __fd, const char *__restrict __fmt, ...)
     __attribute__ ((__format__ (__printf__, 2, 3)));








extern int fscanf (FILE *__restrict __stream,
     const char *__restrict __format, ...) ;




extern int scanf (const char *__restrict __format, ...) ;

extern int sscanf (const char *__restrict __s,
     const char *__restrict __format, ...) __attribute__ ((__nothrow__ , __leaf__));
# 443 "/usr/include/stdio.h" 3 4
extern int fscanf (FILE *__restrict __stream, const char *__restrict __format, ...) __asm__ ("" "__isoc99_fscanf")

                               ;
extern int scanf (const char *__restrict __format, ...) __asm__ ("" "__isoc99_scanf")
                              ;
extern int sscanf (const char *__restrict __s, const char *__restrict __format, ...) __asm__ ("" "__isoc99_sscanf") __attribute__ ((__nothrow__ , __leaf__))

                      ;
# 463 "/usr/include/stdio.h" 3 4








extern int vfscanf (FILE *__restrict __s, const char *__restrict __format,
      __gnuc_va_list __arg)
     __attribute__ ((__format__ (__scanf__, 2, 0))) ;





extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg)
     __attribute__ ((__format__ (__scanf__, 1, 0))) ;


extern int vsscanf (const char *__restrict __s,
      const char *__restrict __format, __gnuc_va_list __arg)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__format__ (__scanf__, 2, 0)));
# 494 "/usr/include/stdio.h" 3 4
extern int vfscanf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vfscanf")



     __attribute__ ((__format__ (__scanf__, 2, 0))) ;
extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vscanf")

     __attribute__ ((__format__ (__scanf__, 1, 0))) ;
extern int vsscanf (const char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vsscanf") __attribute__ ((__nothrow__ , __leaf__))



     __attribute__ ((__format__ (__scanf__, 2, 0)));
# 522 "/usr/include/stdio.h" 3 4









extern int fgetc (FILE *__stream);
extern int getc (FILE *__stream);





extern int getchar (void);

# 550 "/usr/include/stdio.h" 3 4
extern int getc_unlocked (FILE *__stream);
extern int getchar_unlocked (void);
# 561 "/usr/include/stdio.h" 3 4
extern int fgetc_unlocked (FILE *__stream);











extern int fputc (int __c, FILE *__stream);
extern int putc (int __c, FILE *__stream);





extern int putchar (int __c);

# 594 "/usr/include/stdio.h" 3 4
extern int fputc_unlocked (int __c, FILE *__stream);







extern int putc_unlocked (int __c, FILE *__stream);
extern int putchar_unlocked (int __c);






extern int getw (FILE *__stream);


extern int putw (int __w, FILE *__stream);








extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
     ;
# 640 "/usr/include/stdio.h" 3 4

# 665 "/usr/include/stdio.h" 3 4
extern __ssize_t __getdelim (char **__restrict __lineptr,
          size_t *__restrict __n, int __delimiter,
          FILE *__restrict __stream) ;
extern __ssize_t getdelim (char **__restrict __lineptr,
        size_t *__restrict __n, int __delimiter,
        FILE *__restrict __stream) ;







extern __ssize_t getline (char **__restrict __lineptr,
       size_t *__restrict __n,
       FILE *__restrict __stream) ;








extern int fputs (const char *__restrict __s, FILE *__restrict __stream);





extern int puts (const char *__s);






extern int ungetc (int __c, FILE *__stream);






extern size_t fread (void *__restrict __ptr, size_t __size,
       size_t __n, FILE *__restrict __stream) ;




extern size_t fwrite (const void *__restrict __ptr, size_t __size,
        size_t __n, FILE *__restrict __s);

# 737 "/usr/include/stdio.h" 3 4
extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
         size_t __n, FILE *__restrict __stream) ;
extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
          size_t __n, FILE *__restrict __stream);








extern int fseek (FILE *__stream, long int __off, int __whence);




extern long int ftell (FILE *__stream) ;




extern void rewind (FILE *__stream);

# 773 "/usr/include/stdio.h" 3 4
extern int fseeko (FILE *__stream, __off_t __off, int __whence);




extern __off_t ftello (FILE *__stream) ;
# 792 "/usr/include/stdio.h" 3 4






extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);




extern int fsetpos (FILE *__stream, const fpos_t *__pos);
# 815 "/usr/include/stdio.h" 3 4

# 824 "/usr/include/stdio.h" 3 4


extern void clearerr (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));

extern int feof (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;

extern int ferror (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;




extern void clearerr_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
extern int feof_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
extern int ferror_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;








extern void perror (const char *__s);






# 1 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 1 3 4
# 26 "/usr/include/x86_64-linux-gnu/bits/sys_errlist.h" 3 4
extern int sys_nerr;
extern const char *const sys_errlist[];
# 854 "/usr/include/stdio.h" 2 3 4




extern int fileno (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;




extern int fileno_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;
# 872 "/usr/include/stdio.h" 3 4
extern FILE *popen (const char *__command, const char *__modes) ;





extern int pclose (FILE *__stream);





extern char *ctermid (char *__s) __attribute__ ((__nothrow__ , __leaf__));
# 912 "/usr/include/stdio.h" 3 4
extern void flockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));



extern int ftrylockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;


extern void funlockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));
# 942 "/usr/include/stdio.h" 3 4

# 2 "8-3.c" 2
# 1 "/usr/include/x86_64-linux-gnu/sys/types.h" 1 3 4
# 27 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4






typedef __u_char u_char;
typedef __u_short u_short;
typedef __u_int u_int;
typedef __u_long u_long;
typedef __quad_t quad_t;
typedef __u_quad_t u_quad_t;
typedef __fsid_t fsid_t;




typedef __loff_t loff_t;



typedef __ino_t ino_t;
# 60 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef __dev_t dev_t;




typedef __gid_t gid_t;




typedef __mode_t mode_t;




typedef __nlink_t nlink_t;




typedef __uid_t uid_t;
# 98 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef __pid_t pid_t;





typedef __id_t id_t;
# 115 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef __daddr_t daddr_t;
typedef __caddr_t caddr_t;





typedef __key_t key_t;
# 132 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/time.h" 1 3 4
# 57 "/usr/include/time.h" 3 4


typedef __clock_t clock_t;



# 73 "/usr/include/time.h" 3 4


typedef __time_t time_t;



# 91 "/usr/include/time.h" 3 4
typedef __clockid_t clockid_t;
# 103 "/usr/include/time.h" 3 4
typedef __timer_t timer_t;
# 133 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4
# 146 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h" 1 3 4
# 147 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4



typedef unsigned long int ulong;
typedef unsigned short int ushort;
typedef unsigned int uint;
# 194 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
typedef int int8_t __attribute__ ((__mode__ (__QI__)));
typedef int int16_t __attribute__ ((__mode__ (__HI__)));
typedef int int32_t __attribute__ ((__mode__ (__SI__)));
typedef int int64_t __attribute__ ((__mode__ (__DI__)));


typedef unsigned int u_int8_t __attribute__ ((__mode__ (__QI__)));
typedef unsigned int u_int16_t __attribute__ ((__mode__ (__HI__)));
typedef unsigned int u_int32_t __attribute__ ((__mode__ (__SI__)));
typedef unsigned int u_int64_t __attribute__ ((__mode__ (__DI__)));

typedef int register_t __attribute__ ((__mode__ (__word__)));
# 216 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/endian.h" 1 3 4
# 36 "/usr/include/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/endian.h" 1 3 4
# 37 "/usr/include/endian.h" 2 3 4
# 60 "/usr/include/endian.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 1 3 4
# 28 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 29 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 2 3 4






# 1 "/usr/include/x86_64-linux-gnu/bits/byteswap-16.h" 1 3 4
# 36 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 2 3 4
# 44 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
static __inline unsigned int
__bswap_32 (unsigned int __bsx)
{
  return __builtin_bswap32 (__bsx);
}
# 108 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 3 4
static __inline __uint64_t
__bswap_64 (__uint64_t __bsx)
{
  return __builtin_bswap64 (__bsx);
}
# 61 "/usr/include/endian.h" 2 3 4
# 217 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4


# 1 "/usr/include/x86_64-linux-gnu/sys/select.h" 1 3 4
# 30 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/select.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/select.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 23 "/usr/include/x86_64-linux-gnu/bits/select.h" 2 3 4
# 31 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4


# 1 "/usr/include/x86_64-linux-gnu/bits/sigset.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/sigset.h" 3 4
typedef int __sig_atomic_t;




typedef struct
  {
    unsigned long int __val[(1024 / (8 * sizeof (unsigned long int)))];
  } __sigset_t;
# 34 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4



typedef __sigset_t sigset_t;





# 1 "/usr/include/time.h" 1 3 4
# 120 "/usr/include/time.h" 3 4
struct timespec
  {
    __time_t tv_sec;
    __syscall_slong_t tv_nsec;
  };
# 44 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4

# 1 "/usr/include/x86_64-linux-gnu/bits/time.h" 1 3 4
# 30 "/usr/include/x86_64-linux-gnu/bits/time.h" 3 4
struct timeval
  {
    __time_t tv_sec;
    __suseconds_t tv_usec;
  };
# 46 "/usr/include/x86_64-linux-gnu/sys/select.h" 2 3 4


typedef __suseconds_t suseconds_t;





typedef long int __fd_mask;
# 64 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
typedef struct
  {






    __fd_mask __fds_bits[1024 / (8 * (int) sizeof (__fd_mask))];


  } fd_set;






typedef __fd_mask fd_mask;
# 96 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4

# 106 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
extern int select (int __nfds, fd_set *__restrict __readfds,
     fd_set *__restrict __writefds,
     fd_set *__restrict __exceptfds,
     struct timeval *__restrict __timeout);
# 118 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4
extern int pselect (int __nfds, fd_set *__restrict __readfds,
      fd_set *__restrict __writefds,
      fd_set *__restrict __exceptfds,
      const struct timespec *__restrict __timeout,
      const __sigset_t *__restrict __sigmask);
# 131 "/usr/include/x86_64-linux-gnu/sys/select.h" 3 4

# 220 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4


# 1 "/usr/include/x86_64-linux-gnu/sys/sysmacros.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/sys/sysmacros.h" 3 4


__extension__
extern unsigned int gnu_dev_major (unsigned long long int __dev)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
__extension__
extern unsigned int gnu_dev_minor (unsigned long long int __dev)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
__extension__
extern unsigned long long int gnu_dev_makedev (unsigned int __major,
            unsigned int __minor)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
# 58 "/usr/include/x86_64-linux-gnu/sys/sysmacros.h" 3 4

# 223 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4





typedef __blksize_t blksize_t;






typedef __blkcnt_t blkcnt_t;



typedef __fsblkcnt_t fsblkcnt_t;



typedef __fsfilcnt_t fsfilcnt_t;
# 270 "/usr/include/x86_64-linux-gnu/sys/types.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 1 3 4
# 21 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 22 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 2 3 4
# 60 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
typedef unsigned long int pthread_t;


union pthread_attr_t
{
  char __size[56];
  long int __align;
};

typedef union pthread_attr_t pthread_attr_t;





typedef struct __pthread_internal_list
{
  struct __pthread_internal_list *__prev;
  struct __pthread_internal_list *__next;
} __pthread_list_t;
# 90 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
typedef union
{
  struct __pthread_mutex_s
  {
    int __lock;
    unsigned int __count;
    int __owner;

    unsigned int __nusers;



    int __kind;

    short __spins;
    short __elision;
    __pthread_list_t __list;
# 125 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
  } __data;
  char __size[40];
  long int __align;
} pthread_mutex_t;

typedef union
{
  char __size[4];
  int __align;
} pthread_mutexattr_t;




typedef union
{
  struct
  {
    int __lock;
    unsigned int __futex;
    __extension__ unsigned long long int __total_seq;
    __extension__ unsigned long long int __wakeup_seq;
    __extension__ unsigned long long int __woken_seq;
    void *__mutex;
    unsigned int __nwaiters;
    unsigned int __broadcast_seq;
  } __data;
  char __size[48];
  __extension__ long long int __align;
} pthread_cond_t;

typedef union
{
  char __size[4];
  int __align;
} pthread_condattr_t;



typedef unsigned int pthread_key_t;



typedef int pthread_once_t;





typedef union
{

  struct
  {
    int __lock;
    unsigned int __nr_readers;
    unsigned int __readers_wakeup;
    unsigned int __writer_wakeup;
    unsigned int __nr_readers_queued;
    unsigned int __nr_writers_queued;
    int __writer;
    int __shared;
    signed char __rwelision;




    unsigned char __pad1[7];


    unsigned long int __pad2;


    unsigned int __flags;

  } __data;
# 220 "/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h" 3 4
  char __size[56];
  long int __align;
} pthread_rwlock_t;

typedef union
{
  char __size[8];
  long int __align;
} pthread_rwlockattr_t;





typedef volatile int pthread_spinlock_t;




typedef union
{
  char __size[32];
  long int __align;
} pthread_barrier_t;

typedef union
{
  char __size[4];
  int __align;
} pthread_barrierattr_t;
# 271 "/usr/include/x86_64-linux-gnu/sys/types.h" 2 3 4



# 3 "8-3.c" 2
# 1 "/usr/include/x86_64-linux-gnu/sys/socket.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4


# 1 "/usr/include/x86_64-linux-gnu/sys/uio.h" 1 3 4
# 25 "/usr/include/x86_64-linux-gnu/sys/uio.h" 3 4



# 1 "/usr/include/x86_64-linux-gnu/bits/uio.h" 1 3 4
# 43 "/usr/include/x86_64-linux-gnu/bits/uio.h" 3 4
struct iovec
  {
    void *iov_base;
    size_t iov_len;
  };
# 29 "/usr/include/x86_64-linux-gnu/sys/uio.h" 2 3 4
# 39 "/usr/include/x86_64-linux-gnu/sys/uio.h" 3 4
extern ssize_t readv (int __fd, const struct iovec *__iovec, int __count)
  ;
# 50 "/usr/include/x86_64-linux-gnu/sys/uio.h" 3 4
extern ssize_t writev (int __fd, const struct iovec *__iovec, int __count)
  ;
# 65 "/usr/include/x86_64-linux-gnu/sys/uio.h" 3 4
extern ssize_t preadv (int __fd, const struct iovec *__iovec, int __count,
         __off_t __offset) ;
# 77 "/usr/include/x86_64-linux-gnu/sys/uio.h" 3 4
extern ssize_t pwritev (int __fd, const struct iovec *__iovec, int __count,
   __off_t __offset) ;
# 120 "/usr/include/x86_64-linux-gnu/sys/uio.h" 3 4

# 27 "/usr/include/x86_64-linux-gnu/sys/socket.h" 2 3 4

# 1 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h" 1 3 4
# 29 "/usr/include/x86_64-linux-gnu/sys/socket.h" 2 3 4
# 38 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/socket.h" 1 3 4
# 27 "/usr/include/x86_64-linux-gnu/bits/socket.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h" 1 3 4
# 28 "/usr/include/x86_64-linux-gnu/bits/socket.h" 2 3 4





typedef __socklen_t socklen_t;




# 1 "/usr/include/x86_64-linux-gnu/bits/socket_type.h" 1 3 4
# 24 "/usr/include/x86_64-linux-gnu/bits/socket_type.h" 3 4
enum __socket_type
{
  SOCK_STREAM = 1,


  SOCK_DGRAM = 2,


  SOCK_RAW = 3,

  SOCK_RDM = 4,

  SOCK_SEQPACKET = 5,


  SOCK_DCCP = 6,

  SOCK_PACKET = 10,







  SOCK_CLOEXEC = 02000000,


  SOCK_NONBLOCK = 00004000


};
# 39 "/usr/include/x86_64-linux-gnu/bits/socket.h" 2 3 4
# 150 "/usr/include/x86_64-linux-gnu/bits/socket.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/sockaddr.h" 1 3 4
# 28 "/usr/include/x86_64-linux-gnu/bits/sockaddr.h" 3 4
typedef unsigned short int sa_family_t;
# 151 "/usr/include/x86_64-linux-gnu/bits/socket.h" 2 3 4


struct sockaddr
  {
    sa_family_t sa_family;
    char sa_data[14];
  };
# 166 "/usr/include/x86_64-linux-gnu/bits/socket.h" 3 4
struct sockaddr_storage
  {
    sa_family_t ss_family;
    char __ss_padding[(128 - (sizeof (unsigned short int)) - sizeof (unsigned long int))];
    unsigned long int __ss_align;
  };



enum
  {
    MSG_OOB = 0x01,

    MSG_PEEK = 0x02,

    MSG_DONTROUTE = 0x04,






    MSG_CTRUNC = 0x08,

    MSG_PROXY = 0x10,

    MSG_TRUNC = 0x20,

    MSG_DONTWAIT = 0x40,

    MSG_EOR = 0x80,

    MSG_WAITALL = 0x100,

    MSG_FIN = 0x200,

    MSG_SYN = 0x400,

    MSG_CONFIRM = 0x800,

    MSG_RST = 0x1000,

    MSG_ERRQUEUE = 0x2000,

    MSG_NOSIGNAL = 0x4000,

    MSG_MORE = 0x8000,

    MSG_WAITFORONE = 0x10000,

    MSG_FASTOPEN = 0x20000000,


    MSG_CMSG_CLOEXEC = 0x40000000



  };




struct msghdr
  {
    void *msg_name;
    socklen_t msg_namelen;

    struct iovec *msg_iov;
    size_t msg_iovlen;

    void *msg_control;
    size_t msg_controllen;




    int msg_flags;
  };


struct cmsghdr
  {
    size_t cmsg_len;




    int cmsg_level;
    int cmsg_type;

    __extension__ unsigned char __cmsg_data [];

  };
# 276 "/usr/include/x86_64-linux-gnu/bits/socket.h" 3 4
extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr,
          struct cmsghdr *__cmsg) __attribute__ ((__nothrow__ , __leaf__));
# 303 "/usr/include/x86_64-linux-gnu/bits/socket.h" 3 4
enum
  {
    SCM_RIGHTS = 0x01





  };
# 349 "/usr/include/x86_64-linux-gnu/bits/socket.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/asm/socket.h" 1 3 4
# 1 "/usr/include/asm-generic/socket.h" 1 3 4



# 1 "/usr/include/x86_64-linux-gnu/asm/sockios.h" 1 3 4
# 1 "/usr/include/asm-generic/sockios.h" 1 3 4
# 1 "/usr/include/x86_64-linux-gnu/asm/sockios.h" 2 3 4
# 5 "/usr/include/asm-generic/socket.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/asm/socket.h" 2 3 4
# 350 "/usr/include/x86_64-linux-gnu/bits/socket.h" 2 3 4
# 383 "/usr/include/x86_64-linux-gnu/bits/socket.h" 3 4
struct linger
  {
    int l_onoff;
    int l_linger;
  };
# 39 "/usr/include/x86_64-linux-gnu/sys/socket.h" 2 3 4




struct osockaddr
  {
    unsigned short int sa_family;
    unsigned char sa_data[14];
  };




enum
{
  SHUT_RD = 0,

  SHUT_WR,

  SHUT_RDWR

};
# 113 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4
extern int socket (int __domain, int __type, int __protocol) __attribute__ ((__nothrow__ , __leaf__));





extern int socketpair (int __domain, int __type, int __protocol,
         int __fds[2]) __attribute__ ((__nothrow__ , __leaf__));


extern int bind (int __fd, const struct sockaddr * __addr, socklen_t __len)
     __attribute__ ((__nothrow__ , __leaf__));


extern int getsockname (int __fd, struct sockaddr *__restrict __addr,
   socklen_t *__restrict __len) __attribute__ ((__nothrow__ , __leaf__));
# 137 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4
extern int connect (int __fd, const struct sockaddr * __addr, socklen_t __len);



extern int getpeername (int __fd, struct sockaddr *__restrict __addr,
   socklen_t *__restrict __len) __attribute__ ((__nothrow__ , __leaf__));






extern ssize_t send (int __fd, const void *__buf, size_t __n, int __flags);






extern ssize_t recv (int __fd, void *__buf, size_t __n, int __flags);






extern ssize_t sendto (int __fd, const void *__buf, size_t __n,
         int __flags, const struct sockaddr * __addr,
         socklen_t __addr_len);
# 174 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4
extern ssize_t recvfrom (int __fd, void *__restrict __buf, size_t __n,
    int __flags, struct sockaddr *__restrict __addr,
    socklen_t *__restrict __addr_len);







extern ssize_t sendmsg (int __fd, const struct msghdr *__message,
   int __flags);
# 202 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4
extern ssize_t recvmsg (int __fd, struct msghdr *__message, int __flags);
# 219 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4
extern int getsockopt (int __fd, int __level, int __optname,
         void *__restrict __optval,
         socklen_t *__restrict __optlen) __attribute__ ((__nothrow__ , __leaf__));




extern int setsockopt (int __fd, int __level, int __optname,
         const void *__optval, socklen_t __optlen) __attribute__ ((__nothrow__ , __leaf__));





extern int listen (int __fd, int __n) __attribute__ ((__nothrow__ , __leaf__));
# 243 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4
extern int accept (int __fd, struct sockaddr *__restrict __addr,
     socklen_t *__restrict __addr_len);
# 261 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4
extern int shutdown (int __fd, int __how) __attribute__ ((__nothrow__ , __leaf__));




extern int sockatmark (int __fd) __attribute__ ((__nothrow__ , __leaf__));







extern int isfdtype (int __fd, int __fdtype) __attribute__ ((__nothrow__ , __leaf__));
# 283 "/usr/include/x86_64-linux-gnu/sys/socket.h" 3 4

# 4 "8-3.c" 2
# 1 "/usr/include/netinet/in.h" 1 3 4
# 22 "/usr/include/netinet/in.h" 3 4
# 1 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stdint.h" 1 3 4
# 9 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stdint.h" 3 4
# 1 "/usr/include/stdint.h" 1 3 4
# 26 "/usr/include/stdint.h" 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wchar.h" 1 3 4
# 27 "/usr/include/stdint.h" 2 3 4
# 1 "/usr/include/x86_64-linux-gnu/bits/wordsize.h" 1 3 4
# 28 "/usr/include/stdint.h" 2 3 4
# 48 "/usr/include/stdint.h" 3 4
typedef unsigned char uint8_t;
typedef unsigned short int uint16_t;

typedef unsigned int uint32_t;



typedef unsigned long int uint64_t;
# 65 "/usr/include/stdint.h" 3 4
typedef signed char int_least8_t;
typedef short int int_least16_t;
typedef int int_least32_t;

typedef long int int_least64_t;






typedef unsigned char uint_least8_t;
typedef unsigned short int uint_least16_t;
typedef unsigned int uint_least32_t;

typedef unsigned long int uint_least64_t;
# 90 "/usr/include/stdint.h" 3 4
typedef signed char int_fast8_t;

typedef long int int_fast16_t;
typedef long int int_fast32_t;
typedef long int int_fast64_t;
# 103 "/usr/include/stdint.h" 3 4
typedef unsigned char uint_fast8_t;

typedef unsigned long int uint_fast16_t;
typedef unsigned long int uint_fast32_t;
typedef unsigned long int uint_fast64_t;
# 119 "/usr/include/stdint.h" 3 4
typedef long int intptr_t;


typedef unsigned long int uintptr_t;
# 134 "/usr/include/stdint.h" 3 4
typedef long int intmax_t;
typedef unsigned long int uintmax_t;
# 10 "/usr/lib/gcc/x86_64-linux-gnu/5/include/stdint.h" 2 3 4
# 23 "/usr/include/netinet/in.h" 2 3 4







typedef uint32_t in_addr_t;
struct in_addr
  {
    in_addr_t s_addr;
  };


# 1 "/usr/include/x86_64-linux-gnu/bits/in.h" 1 3 4
# 133 "/usr/include/x86_64-linux-gnu/bits/in.h" 3 4
struct ip_opts
  {
    struct in_addr ip_dst;
    char ip_opts[40];
  };


struct ip_mreqn
  {
    struct in_addr imr_multiaddr;
    struct in_addr imr_address;
    int imr_ifindex;
  };


struct in_pktinfo
  {
    int ipi_ifindex;
    struct in_addr ipi_spec_dst;
    struct in_addr ipi_addr;
  };
# 38 "/usr/include/netinet/in.h" 2 3 4


enum
  {
    IPPROTO_IP = 0,

    IPPROTO_ICMP = 1,

    IPPROTO_IGMP = 2,

    IPPROTO_IPIP = 4,

    IPPROTO_TCP = 6,

    IPPROTO_EGP = 8,

    IPPROTO_PUP = 12,

    IPPROTO_UDP = 17,

    IPPROTO_IDP = 22,

    IPPROTO_TP = 29,

    IPPROTO_DCCP = 33,

    IPPROTO_IPV6 = 41,

    IPPROTO_RSVP = 46,

    IPPROTO_GRE = 47,

    IPPROTO_ESP = 50,

    IPPROTO_AH = 51,

    IPPROTO_MTP = 92,

    IPPROTO_BEETPH = 94,

    IPPROTO_ENCAP = 98,

    IPPROTO_PIM = 103,

    IPPROTO_COMP = 108,

    IPPROTO_SCTP = 132,

    IPPROTO_UDPLITE = 136,

    IPPROTO_MPLS = 137,

    IPPROTO_RAW = 255,

    IPPROTO_MAX
  };





enum
  {
    IPPROTO_HOPOPTS = 0,

    IPPROTO_ROUTING = 43,

    IPPROTO_FRAGMENT = 44,

    IPPROTO_ICMPV6 = 58,

    IPPROTO_NONE = 59,

    IPPROTO_DSTOPTS = 60,

    IPPROTO_MH = 135

  };



typedef uint16_t in_port_t;


enum
  {
    IPPORT_ECHO = 7,
    IPPORT_DISCARD = 9,
    IPPORT_SYSTAT = 11,
    IPPORT_DAYTIME = 13,
    IPPORT_NETSTAT = 15,
    IPPORT_FTP = 21,
    IPPORT_TELNET = 23,
    IPPORT_SMTP = 25,
    IPPORT_TIMESERVER = 37,
    IPPORT_NAMESERVER = 42,
    IPPORT_WHOIS = 43,
    IPPORT_MTP = 57,

    IPPORT_TFTP = 69,
    IPPORT_RJE = 77,
    IPPORT_FINGER = 79,
    IPPORT_TTYLINK = 87,
    IPPORT_SUPDUP = 95,


    IPPORT_EXECSERVER = 512,
    IPPORT_LOGINSERVER = 513,
    IPPORT_CMDSERVER = 514,
    IPPORT_EFSSERVER = 520,


    IPPORT_BIFFUDP = 512,
    IPPORT_WHOSERVER = 513,
    IPPORT_ROUTESERVER = 520,


    IPPORT_RESERVED = 1024,


    IPPORT_USERRESERVED = 5000
  };
# 211 "/usr/include/netinet/in.h" 3 4
struct in6_addr
  {
    union
      {
 uint8_t __u6_addr8[16];

 uint16_t __u6_addr16[8];
 uint32_t __u6_addr32[4];

      } __in6_u;





  };


extern const struct in6_addr in6addr_any;
extern const struct in6_addr in6addr_loopback;
# 239 "/usr/include/netinet/in.h" 3 4
struct sockaddr_in
  {
    sa_family_t sin_family;
    in_port_t sin_port;
    struct in_addr sin_addr;


    unsigned char sin_zero[sizeof (struct sockaddr) -
      (sizeof (unsigned short int)) -
      sizeof (in_port_t) -
      sizeof (struct in_addr)];
  };



struct sockaddr_in6
  {
    sa_family_t sin6_family;
    in_port_t sin6_port;
    uint32_t sin6_flowinfo;
    struct in6_addr sin6_addr;
    uint32_t sin6_scope_id;
  };




struct ip_mreq
  {

    struct in_addr imr_multiaddr;


    struct in_addr imr_interface;
  };

struct ip_mreq_source
  {

    struct in_addr imr_multiaddr;


    struct in_addr imr_interface;


    struct in_addr imr_sourceaddr;
  };




struct ipv6_mreq
  {

    struct in6_addr ipv6mr_multiaddr;


    unsigned int ipv6mr_interface;
  };




struct group_req
  {

    uint32_t gr_interface;


    struct sockaddr_storage gr_group;
  };

struct group_source_req
  {

    uint32_t gsr_interface;


    struct sockaddr_storage gsr_group;


    struct sockaddr_storage gsr_source;
  };



struct ip_msfilter
  {

    struct in_addr imsf_multiaddr;


    struct in_addr imsf_interface;


    uint32_t imsf_fmode;


    uint32_t imsf_numsrc;

    struct in_addr imsf_slist[1];
  };





struct group_filter
  {

    uint32_t gf_interface;


    struct sockaddr_storage gf_group;


    uint32_t gf_fmode;


    uint32_t gf_numsrc;

    struct sockaddr_storage gf_slist[1];
};
# 376 "/usr/include/netinet/in.h" 3 4
extern uint32_t ntohl (uint32_t __netlong) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern uint16_t ntohs (uint16_t __netshort)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern uint32_t htonl (uint32_t __hostlong)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));
extern uint16_t htons (uint16_t __hostshort)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__const__));




# 1 "/usr/include/x86_64-linux-gnu/bits/byteswap.h" 1 3 4
# 388 "/usr/include/netinet/in.h" 2 3 4
# 503 "/usr/include/netinet/in.h" 3 4
extern int bindresvport (int __sockfd, struct sockaddr_in *__sock_in) __attribute__ ((__nothrow__ , __leaf__));


extern int bindresvport6 (int __sockfd, struct sockaddr_in6 *__sock_in)
     __attribute__ ((__nothrow__ , __leaf__));
# 631 "/usr/include/netinet/in.h" 3 4

# 5 "8-3.c" 2
# 1 "/usr/include/arpa/inet.h" 1 3 4
# 30 "/usr/include/arpa/inet.h" 3 4




extern in_addr_t inet_addr (const char *__cp) __attribute__ ((__nothrow__ , __leaf__));


extern in_addr_t inet_lnaof (struct in_addr __in) __attribute__ ((__nothrow__ , __leaf__));



extern struct in_addr inet_makeaddr (in_addr_t __net, in_addr_t __host)
     __attribute__ ((__nothrow__ , __leaf__));


extern in_addr_t inet_netof (struct in_addr __in) __attribute__ ((__nothrow__ , __leaf__));



extern in_addr_t inet_network (const char *__cp) __attribute__ ((__nothrow__ , __leaf__));



extern char *inet_ntoa (struct in_addr __in) __attribute__ ((__nothrow__ , __leaf__));




extern int inet_pton (int __af, const char *__restrict __cp,
        void *__restrict __buf) __attribute__ ((__nothrow__ , __leaf__));




extern const char *inet_ntop (int __af, const void *__restrict __cp,
         char *__restrict __buf, socklen_t __len)
     __attribute__ ((__nothrow__ , __leaf__));






extern int inet_aton (const char *__cp, struct in_addr *__inp) __attribute__ ((__nothrow__ , __leaf__));



extern char *inet_neta (in_addr_t __net, char *__buf, size_t __len) __attribute__ ((__nothrow__ , __leaf__));




extern char *inet_net_ntop (int __af, const void *__cp, int __bits,
       char *__buf, size_t __len) __attribute__ ((__nothrow__ , __leaf__));




extern int inet_net_pton (int __af, const char *__cp,
     void *__buf, size_t __len) __attribute__ ((__nothrow__ , __leaf__));




extern unsigned int inet_nsap_addr (const char *__cp,
        unsigned char *__buf, int __len) __attribute__ ((__nothrow__ , __leaf__));



extern char *inet_nsap_ntoa (int __len, const unsigned char *__cp,
        char *__buf) __attribute__ ((__nothrow__ , __leaf__));



# 6 "8-3.c" 2

    
# 7 "8-3.c"
   int main(int argc, char *argv[])
    {
        int client_sockfd;
        int len;
        struct sockaddr_in remote_addr;
        char buf[
# 12 "8-3.c" 3 4
                8192
# 12 "8-3.c"
                      ];
        memset(&remote_addr,0,sizeof(remote_addr));
        remote_addr.sin_family=
# 14 "8-3.c" 3 4
                              2
# 14 "8-3.c"
                                     ;
        remote_addr.sin_addr.s_addr=inet_addr("127.0.0.1");
        remote_addr.sin_port=htons(8000);


        if((client_sockfd=socket(
# 19 "8-3.c" 3 4
                                2
# 19 "8-3.c"
                                       ,
# 19 "8-3.c" 3 4
                                        SOCK_STREAM
# 19 "8-3.c"
                                                   ,0))<0)
        {
            perror("socket");
            return 1;
        }


        if(connect(client_sockfd,(struct sockaddr *)&remote_addr,sizeof(struct sockaddr))<0)
        {
            perror("connect");
            return 1;
        }
        printf("connected to server/n 客户端IP127.0.0.305/n 服务器实现者学号20155305/n 当前时间2017.11.8/n");
        len=recv(client_sockfd,buf,
# 32 "8-3.c" 3 4
                                  8192
# 32 "8-3.c"
                                        ,0);
             buf[len]='/0';
        printf("%s",buf);


        while(1)
        {
            printf("Enter string to send:");
            scanf("%s",buf);
            if(!strcmp(buf,"quit"))
                break;
            len=send(client_sockfd,buf,strlen(buf),0);
            len=recv(client_sockfd,buf,
# 44 "8-3.c" 3 4
                                      8192
# 44 "8-3.c"
                                            ,0);
            buf[len]='/0';
            printf("received:%s/n",buf);
        }
        close(client_sockfd);
             return 0;
    }
